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PCI: Move pci_ari_enabled() to global header

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pci_ari_enabled() is useful outside of drivers/pci, particularly for
deriving INTx routing via ACPI _PRT, so move it to the global header.
Also convert to bool return.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Don Dutile <ddutile@redhat.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Alex Williamson
2015-05-26 15:11:44 -06:00
committed by Bjorn Helgaas
parent 247de69434
commit 19bdb6e4ec
2 changed files with 11 additions and 11 deletions
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11
include/linux/pci.h
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@@ -1905,4 +1905,15 @@ static inline bool pci_is_dev_assigned(struct pci_dev *pdev)
{
return (pdev->dev_flags & PCI_DEV_FLAGS_ASSIGNED) == PCI_DEV_FLAGS_ASSIGNED;
}
/**
* pci_ari_enabled - query ARI forwarding status
* @bus: the PCI bus
*
* Returns true if ARI forwarding is enabled.
*/
static inline bool pci_ari_enabled(struct pci_bus *bus)
{
return bus->self && bus->self->ari_enabled;
}
#endif /* LINUX_PCI_H */